java8 获取年月日时分秒

你可以使用Java 8中的LocalDateTime类来获取当前的年月日时分秒。以下是一个示例代码：

import java.time.LocalDateTime;

public class DateTimeExample {
   public static void main(String args[]) {
      LocalDateTime now = LocalDateTime.now();
      int year = now.getYear();
      int month = now.getMonthValue();
      int day = now.getDayOfMonth();
      int hour = now.getHour();
      int minute = now.getMinute();
      int second = now.getSecond();
      System.out.printf("现在的时间是 %d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second);
   }
}

输出：

现在的时间是 2021-10-22 20:21:45